Climate averages 1991–2020

Mihara weather
in October.

A mild, wet month: the 6th warmest and the 6th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 21.8°C Daytime mean, October
Average low 14.2°C Night-time mean, October
Rainfall 103 mm 8 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Mihara · average highYear overview

October is a mild month in Mihara: daytime highs average 21.8°C and nights cool to about 14.2°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 103 mm of rain on roughly 8 days, which makes October a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average October day.

The nearest other city in this atlas is Onomichi (11 km away). In October its highs average 21.5°C, about as warm as Mihara, with 105 mm of rain.

Among the 303 cities listed in Japan, Mihara ranks joint 41st of 303 for the warmest October highs and joint 24th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Mihara is 1.5°C warmer than that mean.

From October to November, average highs fall by 5.6°C to 16.3°C, and monthly rainfall falls from 103 mm to 59 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Mihara climate table

1991–2020
Monthly climate averages for Mihara, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.7°C1.4°C1.4°C435.410.110 h
February 9.8°C1.5°C1.5°C557.410.911 h
March 13.3°C4.2°C4.2°C959.911.912 h
April 18.4°C8.9°C8.9°C1109.713.013 h
May 22.9°C13.9°C13.9°C1299.913.914 h
June 25.9°C18.6°C18.6°C19212.814.414 h
July 29.3°C23.1°C23.1°C20713.714.214 h
August 30.9°C24.3°C24.3°C12512.213.413 h
September 27.3°C20.4°C20.4°C16011.012.412 h
October, selected 21.8°C14.2°C14.2°C1037.611.311 h
November 16.3°C8.5°C8.5°C596.610.410 h
December 10.9°C3.6°C3.6°C505.99.910 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Mihara

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Mihara) is explained once on the Mihara year overview and on the Sources, method and limits page.